Merge pull request #1458 from juergbi:aix

PiperOrigin-RevId: 538488164
Change-Id: I680dcbc2f27dca3beba416b3cd0a55943751cf4c

absl/base/internal/unscaledcycleclock.cc

@@ -71,13 +71,12 @@ int64_t UnscaledCycleClock::Now() {
 #else
   int32_t tbu, tbl, tmp;
   asm volatile(
-      "0:\n"
       "mftbu %[hi32]\n"
       "mftb %[lo32]\n"
       "mftbu %[tmp]\n"
       "cmpw %[tmp],%[hi32]\n"
-      "bne 0b\n"
-      : [ hi32 ] "=r"(tbu), [ lo32 ] "=r"(tbl), [ tmp ] "=r"(tmp));
+      "bne $-16\n"  // Retry on failure.
+      : [hi32] "=r"(tbu), [lo32] "=r"(tbl), [tmp] "=r"(tmp));
   return (static_cast<int64_t>(tbu) << 32) | tbl;
 #endif
 #endif

absl/status/CMakeLists.txt

@@ -25,6 +25,8 @@ absl_cc_library(
     "status_payload_printer.cc"
   COPTS
     ${ABSL_DEFAULT_COPTS}
+  DEFINES
+    "$<$<PLATFORM_ID:AIX>:_LINUX_SOURCE_COMPAT>"
   DEPS
     absl::atomic_hook
     absl::config